Katy Perry and Sting sang at a benefit for the David Lynch Foundation, which teaches Transcendental Meditation to at-risk youth and veterans. (Rolling Stone)

2. University gives $1 million back to Coca-Cola.

The University of Colorado School of Medicine is giving back $1 million that was used to establish an advocacy group that played down the link between soft drinks and weight. (NYT)

3. Kate Middleton is becoming an organic food entrepreneur.

The Duchess of Cambridge is working on a plan to get the nation hooked on her wholesome organic food recipes — and raise millions for charity at the same time. (Daily Mail)

4. Is the boutique fitness trend spilling over to meditation?

Meet MNDFL, a meditation studio in Greenwich Village that wants to bring meditation to the well-heeled masses. (Vogue)

5. Meet the entrepreneurs making food waste profitable.

They believed food waste shouldn't just be recycled for special occasions and soup kitchens; with the right product to champion it, this food could actually be valued. Even better, these entrepreneurs could create a viable business out of giving food waste a whole new look. (Eater)

6. Homelessness in Hawaii grows.

Homelessness in Hawaii has grown in recent years, leaving the state with 487 homeless per 100,000 people, the nation's highest rate per capita, ahead of New York and Nevada, according to federal statistics. (AP)

7. How to improve willpower? Feed it.

Self-control is like a muscle that must be exercised. Keep using it so that it will become routine. (LA Times)

For 43 children, however, Dr. Robert Lustig and his team at the University of California–San Francisco, decreased triglyceride levels by 33 points on average. The LDL — bad — cholesterol dropped 5 points, as did diastolic blood pressure, the lower number. (CNN)

9. Vitamin C kills tumor cells with hard-to-treat mutation.

Maybe Linus Pauling was on to something after all. Decades ago, the Nobel Prize–winning chemist was relegated to the fringes of medicine after championing the idea that vitamin C could combat a host of illnesses, including cancer. Now, a study published online in Science reports that vitamin C can kill tumor cells that carry a common cancer-causing mutation and — in mice — can curb the growth of tumors with the mutation. (Science Mag)